Luftüberwachung mit ESP8266 D1 Mini und Sensoren Raspberry Pi Compact design and large capacity:

Compact design and large capacity: this 8-relay module can switch high currents up to 5A

The display communicates via 4-wire SPI

Available are I2C

80 MHz-240 MHz Power supply

11bgn) and Bluetooth (Classic and LE)

Luftüberwachung mit ESP8266 D1 Mini und Sensoren Raspberry Pi Compact design and large capacity:Monitor garden sheds with micro controllers and sensors Garden sheds in particular often contain many substances that you want to be notified of if a critical situation arises. This project aims to send an early notification to the owner by monitoring the air. The following products of the project are included in the Basic Bundle: D1 Mini NodeMcu with ESP8266 12F WLAN module DHT22 AM2302 temperature and humidity sensor with circuit board (this saves